Home / 79,284.38-109,412.48-43,473.65

Finding the Fourth Proportional to 79,284.38, 109,412.48 and 43,473.65

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Solution

The fourth proportional to 79,284.38, 109,412.48 and 43,473.65 is: 59,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284.38 : 109,412.48 = 43,473.65 : x
  2. Step 2: Convert to fraction form
    79,284.38/109,412.48 = 43,473.65/x
  3. Step 3: Cross multiply
    79,284.38x = 109,412.48 × 43,473.65
  4. Step 4: Simplify right side
    79,284.38x = 4,756,559,861.15
  5. Step 5: Solve for x
    x = 4,756,559,861.15/79,284.38
  6. Step 6: Final answer
    x = 59,993.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.